Ventilating fan



Jan. 15, 1924. 1,480,886

J. KOVACH VENTILATING FAN Filed Nov. 13 1922 INVENTOR Lia/m lfovach ATTORNEY Patented Jan. 15, 1924.

omen STATES PATENT OFFICE.

Application filed November 13, 1922. Serial No. 600,583.

To all whom it may concern: pulley 21 over which is trained a belt 28.

Be it known that I, JOHN KovAoH, a citithe same extending down through suit-able zen of Austria, residing at Tamaroa, in the openings 29 in the discs 20 and 21 to engage county of Perry and State of Illinois, have another pulley 30.

invented certain new and useful Improve- Fixed on the lower end of the shaft 22 ments in Ventilating Fans, of which the folis a plate bar 31 below the ceiling 12 and lowing is a specification. secured to the bar is another frame 32 in This invention relates to improvements in which is rotatably mounted a spindle 33, ventilating fans and means for operation carrying the pulley 30 and having fixed on 60 thereof, having as its main object toprovide its extending ends, spur gears 34 and 35 remeans for actuating one or more fans withspectively. in a building by the force of air currents out- A yoke-shaped bracket 36 extends from side and above the building without the exone side of the frame 32 and in its outer end penditure of energy as produced by engines, is engaged a vertical shaft 37 its upper end 65 motors and the. like whereby expense is inbeing journalled in the bar 31, and its lower curred. end engaging the hub of a fan 38.

This and like other aims, objects and pur- Between the forked base elements of the poses, as will become obvious as the descripbracket 36 is a stud 39 on which rotates a tion proceeds, are attained by the novel conspur pinion 40 meshing with the teeth of the 10 struction, combination and arrangement of gear 35. parts hereafter described and shown in the Said pinion 40 has formed with it a miter accompanying drawing constituting part of pinion 41, meshing with a mating gear 42 this disclosure, and in which fixed on the shaft 37, thereby conveying ro- Figure 1 is a partial side elevation, partial tary motion to the fan 38 when the fan 25 sectional view of an embodiment of the inis propelled by the wind, the fan 38 being vention shown in operative position. positioned to direct an air current down- Figure 2 is a similar view of the same, wardly as shown. looking from a plane at a right angle to Another fan 43 is carried on the end of a Figure 1. horizontal spindle 44 journalled in the opso Figure 3 is a fragmentary sectional view posite side of the frame 32 and driven by a taken on line 33 of Figure 1. spur pinion 45 engaging the spur gear 34,

Referring to the drawing, the numeral 10 so that air currents are delivered simultadesignates in general the wall of a building neously in different directions when the dehaving a roof 11 and ceiling 12, these elevice is operating. 85 ments being conventionally represented and From the foregoing it will be seen that a constituting no part of the invention. simple, cheap and effective apparatus has Mounted on the ceiling beams 12 is a been disclosed for, producing air currents at flanged cylindrical casing 14 and in'register no expense within a building whenever suffithereabove is a similar cylindrical casing cient breeze'is moving to produce motion in 90 15 set in the elements of the roof 11. the fan 25 and that the device is self ad The interiors of both casings 14 and 15 justing to receive the best effect of the wind are shaped to provide races or annular seats, at all the times. respectively 16 and 17, for balls 18 and 19 Having thus described my invention and on which rest discs 20 and 21. set forth the manner of its construction, hp- 95 Fixed in these discs is a shaft 22 having plication and'use, what I claim as new and attached at its upper end a rectangular desire to secure by Letters Patent, is frame 23 in which is mounted a longitudinal A ventilating apparatus comprising a spindle 24 at a right angle to the shaft 22 pair of vertically aligned casings, thrust and carrying a fan 25 at one end and a vane bearings carried. by said casings, a shaft 101) or rudder 26 at the other. supported thereby, frames attached to the Mounted centrally on the spindle 24 is a ends of said shaft, one of said frames being above the roof of a supporting building, and the full force of the Wind, a plurality of the other in a compartment; below, a fan fans carried by the lower of said frames, driven by the Wind, said fan being housed in and means for transmitting motion from 10 the upper of said frames, said casings and the first named fan to the other fans.

bearings constituting means for rotating In witness whereof I have afiixed my sigsaid framesandshaft when a'tuated by the nature. 7 I

wind, whereby said fan is adjusted to receive JOHN KOVACH. 

